Therapeutic electric apparatus.



R, H. WAPPLER.

THERAPEUTIC ELECTRIC APPARATUS. Arrmonlolf FILED AUG.12, 191s.

Patented Apr. 14, 1914 "UNITED sTATEs PATENT OFFICE.

-R'EINHOLD H. WAPPLER, OF NEW YORK. N. Y.. ASSIGNOR TO DANIEL 'I G-ARRIE, or New YORK, N. Y.

THERAPEUTIC ELECTRIC APPARATUS.

nonzero.

Specification of Letters Patent.

Patented Apr. 14, .1914.

Application filed August 12. 1913. Seiial No. 784,335.

lle it known that I, ltnixnono II. IVA!- ri.|-:n. a citizen of the United States, resid ing' at New York city. county and State oi New Yorlt'. have invented a new and Improved 'lherapentic. Electric Apparatus, of whi h the l Ull'lWlItL' is a specification.

'l'his invention relates to a novel therapeutic apparatus for generating an electric current adapted to be applied to a patients body, and more particularly to novel means for autonnit'ically ell'ectingr'a rhythmic. swellin ol' said current whereby the therapeutic ellect lhereol' is considerably augmented.

The invention also comprises novel means for regulating the strength of the current to be applied and other novel features more l'ully brought out in the. specification and appended claims.

ln the accompanying drawing: Figure 1 is a plan of an apparatus embodying my inrention; Fig. .2, a. 'lront elevation lhereo'l Fig. Ii, a longitudinal section through the induction coil and connected parts; Fig. 4, an end \ii-w ol the interrupter; and Fig. 5, a wiring diagram.

My improved therapeutic apparatus comprises essentially an induction coil A, within a. central axial bore of which is accomlilotlatttl a core It that receivesreciprocaling moremenl from a suitable source of energy, such as an electromotor C. Induction coil A is shown to consist of an inner tube and a concentric outer shell ll which is spaced therel'roni for the accommodation of a primary coil 12, the length of said coil being considerably less than that of tube 10 and shell ll, as clearly illustrated in Fig. 3. At one end, tube 10 is titted into the correspond ing bore of an upright 13 carried by base plate 'l-l, while at the other end, a'ring 15 is interposetl between said tube and shell 11, which ring, is by screw 16 secured to a post 17 of base plate 14. Within tube 10 is slidably acconnnodated the core B that consists of a cylinder 18 and an intloscd bundle of soft iron wires 19. Cylinder 18 is, by link 20 and screw 21, connected to a worm disk 22 which engages the worm 23 carried by the shaft 21 of elcct-romotor C. Coil 12 is, by wire 25, connected to the primary coil 26 of an interrupter 1), said coil being; in turn condlu-tively connected by wire to the vibratory arinaturc 27 that is adapted to intermittently engage a contact screw The latter is, by wire 29 connected to a condenser I) which is in turn by wire 30 conncctcd to armature 27. One pole of a battery I is by wire 31,.switch G, and wire 32, adapted to be connected to wire 29, while the other pole oi. the battery is by wire 33 connected to primary coil 12, said wire being also connected by wire 31 to a binding post I. i\.-binding post II is by wire 35 connected to an intermediary section of coil 12, while binding posts III. and IV are-respectively connected by wires 36, 37 to wire 30, 2f). lilcctronlot'or C- receives its current from a suitable source of electricity (not shown) which is so connected to the motor that by eorrcspontlingly operating a switch II, the number of revolutions of said motor may be altered at will. Binding posts I, II, III, IV are adapted to be coupled to the electrodes (not shown) that are brought into contact with the patient to be treated, the selection of the proper post-pairs dependii'ig upon the strength, ctc., desired of the current to be If through the parts 323, 12, 23, 26, 25, 27,

38,29,212, (l, 31 back to battery 1*. This current may be applied to the.patient in the desired strength by properly selecting the binding posts I to I V to which the electrodes are to be connected. Thus by connecting the electrodes to posts IV and III a current of maximum strength may be obtained, while by using binding post III, II or II, I currents of respectively medium or low strength, may be produced. By closing switch II, the rodIl is :iiitomatically oscillated within induction coil A so that the current applied to the patient is alternately increased and decreased so as to produce a periodical contracting and releasing eil'ect upon the muscles, nerves, etc., to be treated whereby superior therapeutic resultsare obtained.

In order to .re 'ulate the stren 'l-h of the maximal current applied, during the operation-of the apymratus, a short-circuited secondary coil 38 is shdably mounted on tube 11, said coil being shown in Figs. I to 3, to

consist of a single. winding which made in the form of a tubular metallic slide 38.

This slide is preferably graduated as at 39, which graduations coiiperate with a station- 'ary index 40' secured by screw 16 to post 17 By moving slide 38 from the left toward the right (Figs. 1 to 3) the strength of the current is gradually increased.

In order to reduce the undesirable inductive efiect of the sparks formedon breaking contact between the parts 27, 28, winding 26 is preferably surrounded by a shortcircuited secondary winding 41; In this way, the operative current applied to the patient may. be reduced to a minimum if so desired.

1. A therapeutic apparatus, comprlsmg an induction coil, an interrupter in circuit therewith, and automatic means for gradually increasing and decreasing rhythmically thestrength-of the current passing through said induction coil.

2. A therapeutic apparatus comprising an induction coil, a core slidably mounted there- 1n, and automatic means for reciprocating 25 saidcore.

3. A therapeutic apparatus comprising an induction coil, a core slidably mounted therein, an electromotor, and meansactui ated by said electromotor for reciprocating the core. I

4. A therapeuticfapparatus comprising an induction coil, a core slidably mounted therein, an electromotor, aworm secured to ;the. electromotor-shaft, a worm disk engaged by said worm, and a link for oper atively connecting said disk to the core.

A therapeutic apparatus comprising an induction coil having a primary winding and a short-circuited secondary winding adjustable along said primary winding, an interrupter -in circuit with the primary winding, and automatic means for periodi induction coil having a primary Winding and a short-circuited secondary Winding adjustable along said primary Winding, an interrupter-coil having a primary Winding in circuitswith the primary winding of the induction 'coil and a short-circuited secondary winding, an interrupter-armature conductively connected to the interrupter-coil, a contact adapted to be intermittently engaged by said armature, a condenser in circuit with said armature and contact,-a core slidably mounted within the induction coil, and a motor for reciprocating said core.

8. A therapeutic apparatus comprising an induction coil, a member movable in a direction parallel to the axis of said coil and adapted to control the strength of the current passing through said coil, and automatic means for reciprocating said member whereby the strength of the current is gradu-,

ally increased and decreased in rhythmical manner.

REINHOLD H. WAPPLER.

l/Vitnesses CARL JonNsoN, H. J. RIQIYIARDSON. 

